WEA-Base Quick Guide

Transcription

1 WEA-Base Quick Guide Parameter set-up This quick guide deals only with the setting up of parameters of the WEA-Base weight transmitter. For more information refer to the weight transmitter user manual. Operation To navigate the parameters menu (see "Parameter menu: Calibration"), use push button S1 and joystick SW1. Push button S1: Back [Escape] Joystick SW1: SW1 is shown with the following symbols: [Up] [Down] [Right] [Left] [Enter] 1 2 To access the parameters menu, press [Enter]. To exit the menu, press [Escape], until the display flashes "SAVE". To save changes, press [Enter]. To exit without saving changes, press [Escape] twice. "SAVE" will not be displayed if the parameters are unchanged. NB.: Analogue and digital ouputs are inactive when parameters are being set up Calibration Theoretical calibration Enter load cell data from the data sheet. Calibration is calculated in the load cell amplifier, based on the data entered. Deadweight calibration The scale is loaded with a known weight. It is recommended, that the known weight is at least 70 % of the scale capacity. Once the deadweight calibration is complete, the theoretical values are updated in the load cell amplifier. The theoretical values can be used to transfer the calibration from one load cell amplifier to another. 1

2 Calibration parameters Total number of channels One channel twice for menu 1.1 Move SW1 to Select the desired number of channels. Example: Four channels 1,2,3 or 4 Load cell capacity 100 kg twice. Move SW1 to [Down], for menu 1.2. Example: 1000 kg Resolution 0.1 kg twice Example: , 0.002, 0.005, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20 and 50 2

3 The scale's capacity kg 1.4. Filter Example: 5 1 = Min. filtering 10 = Max. filtering 3

4 Deadweight calibration Deadweight calibration can be done as a zero point calibration or/and as a point calibration. Zero point calibration 1.6. The display flashes, while the calibration is being executed. when the scale is empty. Continue to "1.6.2 Point calibration", or save the setting. Press S1 [Escape] to "SAVE". Point calibration Calibration with a known weight "Point calibration" 4

5 Place a known weight on the scale. NB: It is recommended, that the known weight is at least 70 % of the scale's capacity. Press S1 [Escape] to "SAVE". Example: 8110 kg Theoretical calibration Only active load cell channels can be selected. The values in "Theoretical calibration" are updated automatically after a "Deadweight calibration" and can be used as a backup or to transfer a calibration from one transmitter to another. Channel (theoretical zero point) 0mV/V 1.7. "Theoretical zero point". 1,2,3 or 4. Set the desired channel by moving SW1 to 5

6 Enter zero point mv/v. The zero-point is calculated on the basis of the load cell's capacity, described in the data sheet. Channel (Theoretical amplification) 2 mv/v Set the desired channel by moving SW1 to Enter load-cell amplification from data sheet. 6

7 Parameter menu: Calibration 1.1 Channels 1.2 Load cell Capacity 1.3 Resolution 1. Calibration 1.4 Weight Capacity 1.5 Filter 1.6 Dead. calibration Point Point Theo. calibration Zero Gain 7